MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */
$(document).ready(function() {
  var $elem = jQuery('<script/>', { 
    'data-aff': "amazon.com, www.amazon.com : tag = internsocie02-20",
    'type': "text/javascript", 
    'src': "https://cdn.jsdelivr.net/npm/affiliate@2.0.3/dist/affiliate.js",
    'id': "aff-js",
    'async': "" 
  });
  $("head").append($elem);
});

document.addEventListener('DOMContentLoaded', function() {
  const editLinks = document.querySelectorAll('.mw-editsection a'); // Select edit links
  const headings = document.querySelectorAll('h2'); // Select H2 headings

  function handleScroll() {
    editLinks.forEach(editLink => {
      const editSection = editLink.parentElement.parentElement; // Get the edit section element
      const heading = editSection.parentElement; // Get the parent heading element.

      const rect = editSection.getBoundingClientRect();
      const headingRect = heading.getBoundingClientRect();

      let nextHeadingRect = null;
      for (let i = 0; i < headings.length; i++) {
        if (headings[i] === heading && i + 1 < headings.length) {
          nextHeadingRect = headings[i + 1].getBoundingClientRect();
          break;
        }
      }

      if (rect.top < 0 && (nextHeadingRect === null || rect.bottom < nextHeadingRect.top)) {
        editLink.classList.add('edit-link-fixed');
      } else {
        editLink.classList.remove('edit-link-fixed');
      }
    });
  }

  window.addEventListener('scroll', handleScroll);
  handleScroll(); // Initial check on page load
});